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Update 2022-02-14 06:33

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Jean-Sébastien
2022-02-14 06:33:37 +01:00
parent f8446c1405
commit 4cfe8cef59
204 changed files with 1839 additions and 941 deletions
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build/ems_es_ef_Gl.html
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@@ -1,7 +1,7 @@
<!DOCTYPE html>
<html lang="en">
<head>
<!-- 2022-02-10 Thu 08:32 -->
<!-- 2022-02-13 Sun 21:20 -->
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Pre-Quantum Electrodynamics</title>
@@ -1642,14 +1642,14 @@ sphere of radius \(r\) around the charge,
<p>
so by superposition, we obtain
</p>
<div class="eqlabel" id="org4672b0a">
<div class="eqlabel" id="org4c0fb5a">
<p>
<a id="Gl_i"></a><a href="./ems_es_ef_Gl.html#Gl_i"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
<path d="M6.354 5.5H4a3 3 0 0 0 0 6h3a3 3 0 0 0 2.83-4H9c-.086 0-.17.01-.25.031A2 2 0 0 1 7 10.5H4a2 2 0 1 1 0-4h1.535c.218-.376.495-.714.82-1z"/>
<path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
</svg></a>
</p>
<div class="alteqlabels" id="orgd8040bd">
<div class="alteqlabels" id="orgd0aebb3">
<ul class="org-ul">
<li>Gr (2.13)</li>
</ul>
@@ -1657,7 +1657,7 @@ so by superposition, we obtain
</div>
</div>
<div class="core div" id="org554be3f">
<div class="core div" id="orgd7a6c4a">
<p>
<b>Gauss' law (in integral form)</b>
</p>
@@ -1689,14 +1689,14 @@ By applying the divergence theorem,
and using \(Q_{\mbox{enc}} = \int_{\cal V} \rho d\tau\), and using the fact the the choice of volume
is arbitrary, we get
</p>
<div class="eqlabel" id="orgac8fa03">
<div class="eqlabel" id="orgdd1583f">
<p>
<a id="Gl_d"></a><a href="./ems_es_ef_Gl.html#Gl_d"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-link" viewBox="0 0 16 16">
<path d="M6.354 5.5H4a3 3 0 0 0 0 6h3a3 3 0 0 0 2.83-4H9c-.086 0-.17.01-.25.031A2 2 0 0 1 7 10.5H4a2 2 0 1 1 0-4h1.535c.218-.376.495-.714.82-1z"/>
<path d="M9 5.5a3 3 0 0 0-2.83 4h1.098A2 2 0 0 1 9 6.5h3a2 2 0 1 1 0 4h-1.535a4.02 4.02 0 0 1-.82 1H12a3 3 0 1 0 0-6H9z"/>
</svg></a>
</p>
<div class="alteqlabels" id="orgd019761">
<div class="alteqlabels" id="orgc48cc04">
<ul class="org-ul">
<li>Gr (2.14)</li>
</ul>
@@ -1704,7 +1704,7 @@ is arbitrary, we get
</div>
</div>
<div class="core div" id="orgafd0721">
<div class="core div" id="orgccc09ad">
<p>
<b>Gauss' law in differential form</b>
</p>
@@ -1763,7 +1763,7 @@ cylindrical or plane symmetry.
Gaussian surfaces: respectively, concentric sphere, coaxial cylinder, pillbox.
</p>
<div class="example div" id="org4f16e75">
<div class="example div" id="org3ae26ef">
<p>
<b>Example 2.2</b>: Field outside a uniformly charged sphere of radius \(R\) and total charge \(q\).
</p>
@@ -1794,7 +1794,7 @@ Same as point charge at origin!
</div>
<div class="example div" id="org7f63c99">
<div class="example div" id="org70c2241">
<p>
<b>Example 2.3</b>: infinitely long cylinder carrying charge density \(\rho = k s\) for some constant \(k\). Find \({\bf E}\) within the cylinder.
</p>
@@ -1833,7 +1833,7 @@ Therefore,
</div>
<div class="example div" id="orgac45ca8">
<div class="example div" id="org751fcc2">
<p>
<b>Example 2.4</b>: infinite plane (defined by \(z = 0\)) with uniform surface charge density \(\sigma\). Find \({\bf E}\).
</p>
@@ -1859,7 +1859,7 @@ where \(\hat{\bf n}\) is a unit vector extending away from the plane. Independe
</div>
<div class="example div" id="org2c392e8">
<div class="example div" id="org1659346">
<p>
<b>Example 2.5</b>: two infinite planes (put them vertical) carrying equal but opposite uniform surface charge densities \(\pm \sigma\).
</p>
@@ -1874,6 +1874,8 @@ where \(\hat{\bf n}\) is a unit vector extending away from the plane. Independe
</div>
<br><ul class="navigation-links"><li>Prev:&nbsp;<a href="ems_es_ef_cE.html">The Curl of \({\bf E}\)&emsp;<small>[ems.es.ef.cE]</small></a></li><li>Next:&nbsp;<a href="ems_es_ep.html">The Electrostatic Potential&emsp;<small>[ems.es.ep]</small></a></li><li>Up:&nbsp;<a href="ems_es_ef.html">Electrostatic Fields&emsp;<small>[ems.es.ef]</small></a></li></ul>
<br>
<hr>
<div class="license">
<a rel="license noopener" href="https://creativecommons.org/licenses/by/4.0/"
@@ -1887,7 +1889,7 @@ target="_blank">Creative Commons Attribution 4.0 International License</a>.
</div>
<div id="postamble" class="status">
<p class="author">Author: Jean-Sébastien Caux</p>
<p class="date">Created: 2022-02-10 Thu 08:32</p>
<p class="date">Created: 2022-02-13 Sun 21:20</p>
<p class="validation"></p>
</div>